Defined.ai is the leading provider of ethical AI data, offering the world’s biggest ethical AI data marketplace alongside subscriptions for flexible data access and custom services. With deep expertise in artificial intelligence and machine learning, Defined.ai delivers high-quality, ethically sourced training data, enabling companies to accelerate their AI solutions with data that is secure, bias-free, and compliant with ethical and legal standards. Founded by Daniela Braga, PhD, in 2015, Defined.ai has earned recognition in top-tier outlets, including Forbes, Fortune, Gartner, CB Insights, and Inc., and has received numerous awards, with appearances on prestigious lists like Forbes AI 50, Deloitte Fast 100, and Inc. 500. The company has raised over $80 million in funding and is headquartered in Seattle, WA, USA, with additional offices in Lisbon, Portugal.
| Website | http://www.defined.ai |
| Revenue | $54.2 million |
| Employees | 227 (0 on RocketReach) |
| Founded | 2015 |
| Address | 1201 3rd Avenue STE 2200, Seattle, Washington 98101, US |
| Phone | +1 425-615-3578 |
| Industry | Information Technology and Services |
| Keywords | Synthetic Data, Ethical Ai, Machine Learning Data, Ai Data Services, Training Data, Artificial Intelligence Data, Responsible Ai, Data Annotation, Data Labeling, Ai Datasets, Data Augmentation, Ai Development, Machine Learning Development, Big Data |
| Competitors | Amazon, Microsoft, IBM, NVIDIA, OpenAI, DataRobot, Hugging Face, Clarifai, AI Community, CrowdFlower Inc. +37 more (view full list) |
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The Defined.ai annual revenue was $54.2 million in 2026.
Defined.ai is based in Seattle, Washington.
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